| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 878060 | MI | Monroe | Monroe County | 2011 | 04100001 | Ottawa-Stony | established |
| 1468014 | MI | Monroe | [pond east of Hwy 23, between Ida Center Rd and Todd Rd] | 2018 | 04100001 | Ottawa-Stony | established |
| 1599680 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599674 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599675 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599678 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599610 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599681 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599682 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
| 1599676 | MI | Monroe | [No locality description provided] | 2012 | 04100001 | Ottawa-Stony | established |
Citation for this information:
U.S. Geological Survey, 2025,
Myriophyllum spicatum: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/19/2025